Lunch & Learn

Front

What is a niche in an ecosystem?

Back

A niche is the role or function of an organism or species within an ecosystem, including its habitat, resource use, and interactions with other organisms.

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What is competition in ecology?

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Competition occurs when two or more organisms or species vie for the same resources, such as food, water, or space, which can limit their growth and survival.

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How do different species avoid competition?

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Different species can avoid competition by occupying different niches, which allows them to use resources in different ways or at different times.

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What is natural selection?

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Natural selection is the process by which organisms better adapted to their environment tend to survive and produce more offspring.

Front

What is the role of chemical defenses in plants?

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Chemical defenses in plants help them compete with other plants by inhibiting their growth or harming them, allowing the defending plant to thrive.

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What is runoff in environmental science?

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Runoff is the flow of water, often from rain or melting snow, that moves over the ground and can carry pollutants into water bodies.

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How does urbanization affect runoff?

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Urbanization increases runoff because pavement and concrete prevent water from being absorbed into the ground, leading to more water flowing into streams and rivers.

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What is an example of a symbiotic relationship?

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An example of a symbiotic relationship is mutualism, where both species benefit, such as bees pollinating flowers while obtaining nectar.

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What is the significance of biodiversity in ecosystems?

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Biodiversity contributes to ecosystem resilience, stability, and productivity, allowing ecosystems to better withstand changes and disturbances.

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What is an example of an adaptation?

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An example of an adaptation is the thick fur of polar bears, which helps them survive in cold Arctic environments.